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x in (-oo:+oo)
(3*(x-2))/4 = 2-x // - 2-x
(3*(x-2))/4+x-2 = 0
(3*(x-2))/4+(4*x)/4+(-2*4)/4 = 0
3*(x-2)+4*x-2*4 = 0
7*x-8-6 = 0
7*x-14 = 0
(7*x-14)/4 = 0
(7*x-14)/4 = 0 // * 4
7*x-14 = 0
7*x-14 = 0 // + 14
7*x = 14 // : 7
x = 14/7
x = 2
x = 2
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